American Rhododendron Society Web Site ARS
navigation menu background

Rhododendron Plant Search

New Search

  "Printer Friendly" Page

More Information: Rhododendron keysii


R. 'keysii' 
Photo by: Kenneth Cox

Predominant Flower Color:  Red, Pink

Flower/Truss Description:  Narrowly tubular, pendulous, deep red to salmon pink, usually bicolored, lobes often yellow.

Fragrant:  No

Bloom Time:  Late Midseason to Very Late

Foliage Description:  Leaves elliptic to lanceolate, up to 6" long.

Plant Habit:  Often straggly or leggy shrub

Height:  5  feet in 10 years.

Cold Hardiness Temp:  5F  ( -15C)

Elepidote (E) or Lepidote (L):  L

Sub Genus:  Rhododendron

Section:  Rhododendron

Sub Section:  Cinnabarina

Geographical Origin:  India (Sikkim, Arunachal Pradesh), Bhutan, China (S Tibet)

Note: Bloom time and 10 year height information are approximate and can vary dependent on weather and growing conditions.
Cold hardiness temperature is also an approximate value.


American Rhododendron Society
P.O. Box 214, Great River, NY 11739
Ph: 631-533-0375   Fax: 866-883-8019   E-Mail: member@arsoffice.org
1998-2016, ARS, All rights reserved.